CN1169982C - Zinc-nickel alloy production process - Google Patents
Zinc-nickel alloy production process Download PDFInfo
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- CN1169982C CN1169982C CNB011068892A CN01106889A CN1169982C CN 1169982 C CN1169982 C CN 1169982C CN B011068892 A CNB011068892 A CN B011068892A CN 01106889 A CN01106889 A CN 01106889A CN 1169982 C CN1169982 C CN 1169982C
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- nickel
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- admiro
- sponge
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Abstract
The present invention introduces a method for producing a zinc-nickel alloy, which is characterized in that adopted metal nickel is sponge nickel. The method specifically comprises: firstly, a spelter is melted in a medium frequency induction furnace, and furnace temperature is regulated and controlled to be a little higher than the melting point of the zinc-nickel alloy; secondly, the sponge nickel is added to melted zinc and quickly melted into the melted zinc; finally, the melted zinc and nickel is heated to be the temperature of 150-200 DEG C higher than the melting point of the zinc-nickel alloy. Slag is removed from the melted zinc and nickel, and then the melted zinc and nickel is cast and taken out of the medium frequency induction furnace to obtain the zinc-nickel alloy with uniform components. The method has the advantages of simple production process, no need of a nickel powder feeding device and no need of covering fused salt, and therefore, the method has favorable use value.
Description
The present invention relates to a kind of production method of admiro, belong to the admiro production method class in the nonferrous metallurgy.
Steel Materials Heat Coating Zinc is anticorrosion to be a kind of economic and practical effective ways, is widely used in the steel manufacture field for many years always.During with siliceous " activity " steel of conventional zinc liquid hot dip, because there is very high alloying speed in the zinc in the zinc liquid with " activity " steel on the interface, thereby causes coating super thick, it is poor both to have shown adherence of coating, also makes the gloomy tarnish of coating surface.For addressing this problem, technique known is to add the nickel metal of 0.05～0.14% (wt) in zinc liquid at present, forms a kind of admiro solution, is the effective ways that solve siliceous steel hot dip problem at present by the admiro hot dip.It both can effectively suppress the activity of the following silicon steel of siliceous 0.2% (wt), and coating can be controlled at normal thickness, can guarantee that coating has the top layer of good adhesive and light simultaneously again.
The main method of preparation admiro solution is at present: prepare the zinc-nickel mother alloy earlier, then admiro is joined and be deployed into the admiro liquid of electroplating usefulness in the zinc liquid, and in use must in time add the nickel metal, to keep the content of nickel in the alloy liquid.
Because metallic zinc and the difference of metallic nickel on chemical property, so must adopt some special measures or equipment could guarantee the economy and the science of the preparation of zinc-nickel mother alloy.
The method that sees report at present is to adopt fused salt to cover fusing zinc liquid, reduces and avoid the vaporization at high temperature and the oxidational losses of zinc, then adds nickel powder or nickel bits again and produces zinc-nickel mother alloy liquid, and known covering fused salt has Sodium Tetraborate and calcium chloride.Above various methodologies is all actual to be used aborning.The temperature of zinc liquid when molten protection both can improve alloy preparation, the burn-off rate of quickening nickel material is when reducing stove; But fused salt generally all has water-absorbent at normal temperatures, in case flue is got damp during blowing out, influences smelting furnace work-ing life.In addition, produce admiro, need special arrangement when adding nickel powder, though interpolation nickel powder or nickel bits can be accelerated dissolution rate, when stove is used in the production of minimizing admiro liquid with the covering molten-salt growth method.But the price margin of nickel powder adding set and nickel powder and conventional nickel material also is a problem that can not be ignored to the increase of admiro production cost.
Purpose of the present invention is intended to: seek a kind of new admiro method, when both having reduced the production stove of admiro, need not cover fused salt and specific equipment again, reduce production costs.
The foregoing invention purpose is realized by following technical proposals.
A kind ofly found the admiro that forms, it is characterized in that the nickel that is adopted is sponge nickel by zinc and nickel.
This is the admiro of raw material by zinc and sponge nickel, and its concrete compound method is: 1, at first spelter is melted in medium-frequency induction furnace, and Control for Kiln Temperature is being desired gold conjugate fusing point eminence slightly; 2, sponge nickel is added in the zinc liquid, under electromagnetic force stirs, sponge nickel is fused in the zinc liquid fast; 3, the zinc-nickel mixed solution after will melting is warming up to the above 150-200 of alloy melting point ℃ again; 4, casting is come out of the stove, and promptly gets the admiro of uniform ingredients.
Below provide embodiment, and further set forth the present invention in conjunction with the embodiments.
If adopt the medium-frequency induction furnace of 750kg to produce the zinc-nickel mother alloy of nickel content 2.0% (wt), earlier the zinc ingot metal about 4/5 amount is gone into stove and dissolve, be warming up to 550～580 ℃, add an amount of sponge nickel, sponge nickel is that fine melt is in zinc liquid after the several minutes; And then add previous 1/5 remaining zinc, and furnace temperature is risen to 680～700 ℃, also can be warming up to 750～780 ℃, after pulling dregs out, get final product tapping casting, can obtain the alleged zinc-nickel mother alloy of the present invention thus.
When the admiro of preparation low levels, can reduce melting temperature (Tm) and pouring temperature according to the reduction of alloy melting point temperature.
Why the present invention adopts sponge nickel mainly to join material as what produce the zinc-nickel mother alloy, mainly is to recognize that sponge nickel is a kind of Ni-based porous spongy structure, is the very big material of each specific surface area.Though it is the waste material of other production industry, because its its specific structure, thereby in a single day it be used for realizing low temperature when medium-frequency induction furnace is produced the zinc-nickel mother alloy, fast, not needing molten protection.
Claims (1)
1, a kind of by zinc and nickel metal synthetic admiro production method, it is characterized in that the nickel that is adopted is sponge nickel; Concrete production method is finished by following four processing steps: A, at first spelter is melted in medium-frequency induction furnace, and with Control for Kiln Temperature in the eminence slightly of desiring the gold conjugate fusing point; B, sponge nickel is added in the zinc liquid, under electromagnetic force stirs, sponge nickel is fused in the zinc liquid fast; C, the zinc-nickel mixed solution after will melting are warming up to the above 150-200 of alloy melting point ℃ again; D, casting are come out of the stove, and promptly get the admiro of uniform ingredients.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011068892A CN1169982C (en) | 2001-02-23 | 2001-02-23 | Zinc-nickel alloy production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011068892A CN1169982C (en) | 2001-02-23 | 2001-02-23 | Zinc-nickel alloy production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1312394A CN1312394A (en) | 2001-09-12 |
| CN1169982C true CN1169982C (en) | 2004-10-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011068892A Expired - Fee Related CN1169982C (en) | 2001-02-23 | 2001-02-23 | Zinc-nickel alloy production process |
Country Status (1)
| Country | Link |
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| CN (1) | CN1169982C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981394B (en) * | 2014-05-12 | 2016-05-25 | 盐城市鑫洋电热材料有限公司 | A kind of zinc-nickel alloy and preparation method thereof |
| CN113444887A (en) * | 2021-06-29 | 2021-09-28 | 海西华汇化工机械有限公司 | Resource utilization method for preparing zinc-nickel alloy by using zinc ash |
| CN114507790B (en) * | 2021-12-28 | 2022-08-16 | 西安理工大学 | Preparation method of high-density zinc-nickel alloy |
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2001
- 2001-02-23 CN CNB011068892A patent/CN1169982C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1312394A (en) | 2001-09-12 |
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Legal Events
| Date | Code | Title | Description |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHUZHOU METALLURGY GROUP CO.,LTD. Free format text: FORMER NAME OR ADDRESS: ZHUZHOU SMELTER |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 412000 Qingshui pond, Zhuzhou, Hunan Patentee after: Zhuzhou Smelting Group Co., Ltd. Address before: 412000 Qingshui pond, Zhuzhou, Hunan Patentee before: Zhuzhou Smeltery |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041006 Termination date: 20180223 |